直流电机闭环调速,可以通过仿真看到输入、输出之间的关系，可以进一步的了解PID在控制过程中的作用，通过该程序和仿真平台很容易看到效果-Closed-loop DC motor speed control, you can see the simulation input and output relationship between the PID can be a better understanding of the role in the control process, through the program and the simulation platform can easily see the effect of